Question about HP DeskJet 3820 InkJet Printer
The green and orange keeps flashing steadly when you turn printer on it wont feed any paper
Ink buildup in the internal service station causes the small poorly
designed pusher cogs on two drive gears to snap off and the printer is
instantly converted to junk.
HP was giving new printers out for this problem till Jan 06 or so as they realized it was a poor design.
I fixed one with parts from an electronically damaged unit, but usually the blinking lights and "won't print no matter what" problem are sheared gears. Parts are not available. Some people made metal gears (the only answer) on a very short run basis in Europe several years ago because people LOVE this printer.
Once you know the problem, it's simple to keep it from happening with some maintenance, but once they shear, it's over.
There was some kind of paper-clip fix that was solving the problem even with sheared gears, but I was never able to understand exactly how it was done. Needed a pic or two.
Otherwise a great printer, huge cartridges last a long time, great quality on photos too.
I have to keep mine running to have a happy wife.
Posted on Apr 05, 2008
Assuming there is no paper jammed, turn off printer and disconnect from usb port. Go to add/remove programmes and uninstall printer software and drivers. Go to printer and faxes folder or go through control panel and ensure the HP printer is deleted, if not right click and delete. Re-start pc and install drivers from your printers cd rom and re connect printer when prompted and not before (if no prompt when software finishes connect printer). Your pc should then idenitify your printer and auto install drivers. If the lights still flash then there is a hardware problem, probably not worth repairing, as printers are so cheap nowadays.
Posted on Jan 07, 2007
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